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US1096579A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal-reinforced roofing.

Assignee: Johns Manville Corp
•
Filing: 1913-03-10
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Granted: 1914-05-12
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Expires: 1933-03-10
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Abstract

No abstract record available.

Inventors

  • 👤 Henry R Wardell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:56
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29L; B29L2009/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/31504; Y10T428/31652; Y10T428/31656

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1917-05-11 1917-11-10 1918-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1921-05-11 1921-11-10 1922-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1925-05-11 1925-11-10 1926-05-12 $7700.00 Window Closed / Lapsed

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